Install pypy on the vagrant dev box.
initial change to AttachedVolume model and configuration documentation
test definitions for volume maximum_size config
simplify test definitions for volume maximum_size configuration
Merge branch 'master' into flocker-config-volume-size-FLOC-979
test implementations for volume maximum_size config
implementation of config parsing for volume maximum_size
lint fixes
addresses review comments
one extra test for changed functionality when addressing review comments
Rename omnibus build target to fedora-20.
Handle rename in the tests.
Fix broken test.

flocker.node.functional.test_docker.NamespacedDockerClientTests.test_dead_is_removed
was merged broken, since buildbot was reporting statuses incorrectly.
lint
Name docker image consistently.

Use build- instead of build_ to match delimiter of distribution.
Merge branch 'master' into flocker-config-volume-size-FLOC-979
Address in this branch FLOC-979 todo comments from master
Merge pull request #990 from ClusterHQ/fix-broken-test-FLOC-1028

[FLOC-1028] Fix broken test

Author: @tomprince 
Reviewer: @wallrj
Fixes https://clusterhq.atlassian.net/browse/FLOC-1028
Merge remote-tracking branch 'origin/master' into omnibus-build-name-FLOC-1026
Update some remaining references to fedora20
Merge pull request #989 from ClusterHQ/omnibus-build-name-FLOC-1026

[FLOC-1026] Rename omnibus build target to fedora-20

Author: @tomprince 
Reviewer: @wallrj
Fixes https://clusterhq.atlassian.net/browse/FLOC-1026